Sociagami allows you to manage your Myspace account, Facebook account, or both from one beautiful Windows application. So you don't need to separately login to each website to get your latest messages, comments, and wall posts. Sociagami brings them together, making it easy to stay in touch with all your friends, no matter which social network they are on.

HelloTxt is an aggregate of microblogging services through which the user can insert their messages on all main microblogging services in a simply and simultaneous way.
Supports: Twitter, Facebook, Pownce, Jaiku, Tumbrl, Beemood, Meemi, Frazr, GoZub
Nice tool for busy microbloggers ;-)

8hands brings social media to a desktop near you! Notifications of new comments, messages, friend requests, videos, feeds, and more - in real time. An instant messenger where you can easily chat and share content with your social network friends. A way to organize your social media content (pics, videos, posts) in one place. A Great tool!